S-91794A068 1-72 x 3/8" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws
Stainless Steel Fillister Head Slotted Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction and passivated finish for extended service life in harsh environments.
- High tensile strength of 70,000 psi ensures reliable performance and resistance to mechanical failure under load.
- Fine UNF thread with Class 2A fit provides precise, secure fastening and vibration resistance in assemblies.
- Fully threaded design offers maximum grip and holding power along the entire 3/8" length.
- Narrow, high rounded Fillister head with a 0.118" diameter allows for a low-profile installation and improved aesthetics.
- Slotted drive style enables easy installation and removal with standard tools, simplifying maintenance.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees product quality, safety, and environmental responsibility.
Professional Applications & Engineering Value
This 1-72 UNF machine screw is engineered to address critical needs in precision assemblies where space is limited and reliability is non-negotiable. The 18-8 Stainless Steel material, enhanced by a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it ideal for electronics, instrumentation, and medical devices. Its fine thread spacing and Class 2A thread fit ensure tight, secure connections that resist loosening under vibration, while the rounded Fillister head offers a sleek, low-profile design for applications requiring minimal protrusion. Fully threaded along its 3/8" length, it delivers uniform clamping force, reducing the risk of joint failure in demanding industrial environments.
Specification Summary & Compliance
This screw adheres to Class 2A thread tolerances as per the UNF (Unified National Fine) standard, ensuring dimensional accuracy and interchangeability. Manufactured in compliance with ASME B18.6.3 specifications, it meets rigorous engineering standards for machine screws. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its adherence to environmental and safety regulations for hazardous substances.
